Intermediates

4-Methylbenzoic acid

  • CAS No.99-94-5
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 4-Methylbenzoic acid (CAS 99-94-5) serving as a vital intermediate for pharmaceuticals, agrochemicals, and polymer synthesis.

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Product Technical Details

Product Overview

4-Methylbenzoic acid, commonly known as p-Toluic acid, is a fundamental aromatic carboxylic acid derivative widely utilized across multiple chemical sectors. As a key building block in organic synthesis, this compound features a methyl group positioned para to the carboxylic acid functional group on the benzene ring. This specific structural configuration imparts unique reactivity profiles, making it an indispensable precursor for the production of high-value downstream chemicals. Our facility specializes in the large-scale manufacturing of this intermediate, ensuring consistent quality and reliable supply chains for global industrial partners.

The compound is primarily recognized for its stability and versatility in substitution reactions. It serves as a critical starting material in the oxidation processes leading to terephthalic acid, which is essential for polyester production. Furthermore, its derivative forms are integral to the creation of specialized polymers, pharmaceutical agents, and agrochemical formulations. We adhere to strict production protocols to maintain high purity levels suitable for sensitive synthetic pathways.

Physical and Chemical Properties

ParameterSpecification
CAS Number99-94-5
Molecular FormulaC8H8O2
Molecular Weight136.148 g/mol
AppearanceWhite crystal powder
Melting Point179 °C
Boiling Point275.3 °C at 760 mmHg
Density1.2 g/cm3
Assay≥99.0%
Water Content≤0.50%

Industrial Applications

The utility of 4-Methylbenzoic acid extends across diverse industrial verticals due to its robust chemical nature. In the pharmaceutical sector, it acts as a precursor for synthesizing hemostatic aromatic acids and other therapeutic intermediates. The chemical industry leverages this compound for the production of p-toluoyl chloride, which is subsequently used in acylation reactions. Additionally, it plays a significant role in the manufacture of photosensitive materials utilized in imaging and printing technologies.

  • Polymer Industry: Serves as an intermediate in the oxidation of p-xylene to terephthalic acid for polyethylene terephthalate (PET) manufacture.
  • Agrochemicals: Used in the synthesis of fungicides such as phosphoramide derivatives and other pesticide formulations.
  • Organic Pigments: Functions as a coupling component in the production of high-performance organic pigments.
  • Perfumery and Films: Applied in specialized fragrance compounds and polymer film modifications.

Quality Assurance and Storage

Quality control is paramount in our manufacturing process. Each batch undergoes rigorous testing using advanced analytical methods including HPLC and GC to verify purity and identity. We provide comprehensive Certificates of Analysis (COA) with every shipment to ensure compliance with international standards. Regarding storage, the product should be kept in a cool, dry, and well-ventilated area. Containers must remain tightly closed to prevent moisture absorption and contamination. The substance is stable under normal conditions but should be kept away from strong oxidizing agents and strong bases to maintain integrity. We offer flexible packaging options, typically 25kg drums, customizable according to specific client logistical requirements.